Dell EMC PowerEdge MX840c Installation and Service Manual
Disabling forgotten password
The software security features of the sled include a system password and a setup password. The password jumper enables or disables password features and clears any password(s) currently in use.
Prerequisites
CAUTION Many repairs may only
be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation,
or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that are
shipped with your product.
Steps
- Remove the sled from the enclosure.
- Remove the sled cover.
- Remove the PEM.
- Remove the drive cage.
- Move the jumper on the system board jumper from pins 2 and 4 to pins 4 and 6.
- Install the drive cage.
- Install the PEM.
- Install the sled cover.
The existing passwords are not disabled (erased) until the system boots with the jumper on pins 4 and 6. However, before you assign a new system and/or setup password, you must move the jumper back to pins 2 and 4.
NOTE If you assign a new system and/or setup password with the jumper on pins 4 and 6, the system disables the new password(s) the next time it boots. - Install the sled into the enclosure.
- Remove the sled from the enclosure.
- Remove the sled cover.
- Remove the PEM.
- Remove the drive cage.
- Move the jumper on the system board jumper from pins 4 and 6 to pins 2 and 4.
- Install the drive cage.
- Install the PEM.
- Install the sled cover.
- Install the sled into the enclosure.
- Assign a new system and/or setup password.
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